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savar3
@savar3
August 2022
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РЕШИТЕ СИСТЕМУ УРАВНЕНИЕ МЕТОДОМ ПОДСТАНОВКИ У-2Х=2 5Х"-У=1
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Igornatev
У-2Х=2
5Х-У=1
y=2+2x
5x-(2+2x)=1
y=2+2x
5x-2x=1+2
3x=3
x=1
y=2+2×1=4
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Thanks 0
Кэтрин20031
Y-2X=2 y=2x+2;
5X-Y=1
5x-( 2x+2)=1
5x-2x-2=1
3x-2=1
3x=3
x=1
y=2x+2= 2*1+2=4
y= 4
Ответ: x=1; y=4.
0 votes
Thanks 0
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Answers & Comments
5Х-У=1
y=2+2x
5x-(2+2x)=1
y=2+2x
5x-2x=1+2
3x=3
x=1
y=2+2×1=4
5X-Y=1
5x-( 2x+2)=1
5x-2x-2=1
3x-2=1
3x=3
x=1
y=2x+2= 2*1+2=4
y= 4
Ответ: x=1; y=4.